CN102620663A - Online hot-rolled strip blank length measuring device and using method thereof - Google Patents
Online hot-rolled strip blank length measuring device and using method thereof Download PDFInfo
- Publication number
- CN102620663A CN102620663A CN2012100764938A CN201210076493A CN102620663A CN 102620663 A CN102620663 A CN 102620663A CN 2012100764938 A CN2012100764938 A CN 2012100764938A CN 201210076493 A CN201210076493 A CN 201210076493A CN 102620663 A CN102620663 A CN 102620663A
- Authority
- CN
- China
- Prior art keywords
- displacement transducer
- blank
- rolled strip
- hot rolled
- length measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
An embodiment of the invention discloses an online hot-rolled strip blank length measuring device and a using method thereof. The length measuring device is non-contact, capable of measuring length in real time automatically completely, and free of manual intervention, so that the labor intensity of the workers can be greatly reduced, the production rhythm can be accelerated, and the potential safety risks can be reduced. The length measuring device is simple in structure and cheaper than equipment required for existing length measuring methods. By using the online hot-rolled strip blank length measuring device, the economic loss caused by the blank slipping in the existing length measuring method and the limitation of the existing length measuring method can be eliminated, the length measuring precision of the cold blanks is equal to that of the hot blanks, the length measuring speed response is quick and accurate, the production rhythm can be greatly accelerated, the rationality of the rolling rules can be enhanced, and substandard products can be reduced.
Description
Technical field
The present invention relates to steel-smelting technology control field, more particularly, relate to online measuring motion of a kind of hot rolled strip blank and method of application thereof.
Background technology
Hot-rolled sheet strip steel is important rolling shapes, and the technical progress and the economic benefit of whole steel and iron industry had material impact.Developed country's hot-strip output accounts for more than 50% of hot-strip, and in competition in the international market, occupy the leading position.
Factory adds hot shop at hot rolled strip; The strip steel billet needs to measure physical length before going into the stove heating; The physical length of measuring is used for the calculating of milling train second-level model rolling procedure, is very important raw data, for measuring the method that charge length adopts manual measurement usually; This method error rate is very high and strengthened working strength of workers greatly, and this kind method also only limits to cold blank shove charge.
In order to simplify the labour intensity in workman's measuring process; The mode that adopts many group optoelectronic switches and scrambler to combine, promptly the fixing distance of optoelectronic switch adds the distance that scrambler is surveyed, the shortcoming of this method is if the testee difference in length is bigger; But also require error 30 millimeters with interior situation under; Need tens of groups of photoswitcs to cooperate and accomplish, this has not only increased the cost of equipment, has brought difficulty and many at the fault point pole of surveying rectangular existence to automated maintenance simultaneously; In addition in the application of reality; For cold blank and do not exist blank under the situation of skidding on the roller-way; The data that record can maintain in 30 millimeters; But when surveying length for the hot blank that continuous casting is directly sent here, the data that this method records almost can not be as the foundation of mill milling rules calculating.Because of there are bigger error in the physical length of blank and length measured, thereby make the calculating of rolling procedure deviation occur, light then cause the generation of waste product, heavy then damage rolling equipment, brought serious economy loss to enterprise.
Therefore, how to work out and a kind ofly can reduce working strength of workers, can improve the online measuring motion of hot rolled strip blank of the length measurement precision of hot rolled strip again, become the technical matters that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the present invention provides online measuring motion of a kind of hot rolled strip blank and method of application thereof, reduces the purpose that improves the length measurement precision of hot rolled strip on the working strength of workers basis to be implemented in.
For realizing above-mentioned purpose, the present invention provides following technical scheme:
The online measuring motion of a kind of hot rolled strip blank comprises:
According to spacing L
0Horizontal arrangement is at first displacement transducer and second displacement transducer of charging fire door both sides, wherein, and the distance L on first end face of said first displacement sensor and blank between first tested point
4, the distance of second tested point is L on second end face of said second displacement sensor and said blank
5
Detect said blank and push away the pressure detection switch that the triggering of positive back pushes away positive pressure signal; With
Store the position relation of said first displacement transducer and second displacement transducer and said blank in advance
With
Controller, when said controller receives saidly when pushing away positive pressure signal, the length that calculates said blank according to above-mentioned position relation is L
2=L
0-L
4Cosa-L
5Cosb, and show, wherein, L
1Be the vertical range of first tested point and said first displacement transducer and the horizontal line of second displacement transducer, L
3It is the vertical range of second tested point and said first displacement transducer and the horizontal line of second displacement transducer.
Preferably, in the online measuring motion of above-mentioned hot rolled strip blank, said first displacement transducer and second displacement transducer are optical displacement sensor.
Preferably, in the online measuring motion of above-mentioned hot rolled strip blank, said controller comprises industrial computer, and said industrial computer is used to show the length L of said blank
2Value.
Preferably, in the online measuring motion of above-mentioned hot rolled strip blank, said controller comprises switch, and said switch realization is mutual with said industrial computer.
The method of application of the online measuring motion of a kind of hot rolled strip blank comprises step:
First displacement transducer and second displacement transducer are installed in charging fire door both sides, make said first displacement transducer consistent with the second displacement transducer level height, wherein, the distance between said first displacement transducer and second displacement transducer is L
0, pressure detection switch be arranged on push away on the equipment;
Through charging roller table be transported to said blank before the said charging fire door and make said blank center line and said charging fire door center line point-blank; Adjust the measuring head of said first displacement transducer and second displacement transducer, make said measuring head corresponding with first end face of said blank and first tested point on second end face and second tested point respectively;
Connect controller and first displacement transducer, second displacement transducer and pressure detection switch, when said controller receives saidly when pushing away positive pressure signal, said controller calculates the length of said blank and shows.
Preferably, in the method for application of the online measuring motion of above-mentioned hot rolled strip blank, said first displacement transducer and second displacement transducer are optical displacement sensor.
Preferably, in the method for application of the online measuring motion of above-mentioned hot rolled strip blank, said controller comprises industrial computer, and said industrial computer is used to show the length L of said blank
2Value.
Preferably, in the method for application of the online measuring motion of above-mentioned hot rolled strip blank, said controller comprises switch, and said switch realization is mutual with said industrial computer.
Can find out by such scheme; The present invention executes the online measuring motion of hot rolled strip blank in the example; In use first displacement transducer and second displacement transducer are installed in charging fire door both sides; Make said first displacement transducer consistent with the second displacement transducer level height, wherein, the distance between said first displacement transducer and second displacement transducer is L
0, pressure detection switch be arranged on push away on the equipment; Through charging roller table be transported to said blank before the said charging fire door and make said blank center line and said charging fire door center line point-blank; Adjust the measuring head of said first displacement transducer and second displacement transducer, make said measuring head corresponding with first end face of said blank and first tested point on second end face and second tested point respectively; Connect controller and first displacement transducer, second displacement transducer and pressure detection switch, when said controller receives saidly when pushing away positive pressure signal, said controller calculates the length of said blank and shows.The present invention adopts displacement transducer and combines the derivation of mathematical formulae to carry out measurement of length; Be to accomplish measurement of length automatically fully; Manual measurement and existing measuring method limitation have been overcome; And overcome existing measuring method defective, like the skidding of steel plate, cold metal detector to error signal of the red steel of high temperature etc., thereby make data efficiently, accurately obtain further assurance.Because the measuring motion among employing the present invention is contactless, the real-time fully length of surveying automatically, need not manual intervention, thereby has reduced working strength of workers greatly, has improved rhythm of production, and has reduced potential safety hazard; Simple in structure, the rectangular method of the existing survey of equipment cost is more cheap; Eliminated in the rectangular method of existing survey because of the blank mistake that causes of skidding and surveyed the economic loss that causes; Eliminated the limitation of the rectangular method of existing survey, the present invention is the same for cold blank with hot blank length measurement precision; It is fast to survey long speed reflection, and very accurate, has improved rhythm of production greatly, and has improved the rationality of rolling procedure, has reduced the generation of substandard products.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the online measuring motion hardware configuration of hot rolled strip blank in the embodiment of the invention;
Fig. 2 surveys long schematic diagram for the online measuring motion of hot rolled strip blank that the embodiment of the invention provides.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
To shown in Figure 2, embodiment of the invention body discloses a kind of hot rolled strip blank 5 online measuring motions like Fig. 1, and this measuring motion comprises first displacement transducer 2, second displacement transducer 3, pressure detection switch 4 and controller 1, wherein,
Above-mentioned first displacement transducer 2 and second displacement transducer 3 can be used to measure the distance between the end face distance displacement transducer of blank 5 for conventional displacement transducer; Preferably, first displacement transducer 2 and second displacement transducer 3 are optical displacement sensor in embodiments of the present invention.Optical displacement sensor utilizes the laser triangulation reflectometry to measure, and the testee material is had no requirement, and main influence is whether environmental light intensity and tested surface be smooth.
Above-mentioned hot rolled strip blank 5 online measuring motion middle controllers 1 comprise industrial computer 11, and industrial computer 11 is used to show the length L of blank 5
2 Value.Controller 1 comprises switch 12, and switch 12 realizations are mutual with industrial computer 11.Wherein, data processor 13 is the plc data processing module of Siemens Company in the controller 1.
The invention also discloses the method for application of above-mentioned measuring motion, comprise step:
Through charging roller table 6 with blank 5 be transported to the charging fire door before and make blank 5 center line with the charging fire door center line point-blank; Adjust the measuring head of first displacement transducer 2 and second displacement transducer 3, make measuring head corresponding with first end face of said blank 5 and first tested point on second end face and second tested point respectively;
Connect controller 1 and first displacement transducer 2, second displacement transducer 3 and pressure detection switch 4, when controller 1 receives saidly when pushing away positive pressure signal, the length of the said blank 5 of controller 1 calculating also shows.
Can find out by such scheme; The present invention executes the hot rolled strip blank 5 online measuring motions in the example; In use first displacement transducer 2 and second displacement transducer 3 are installed in charging fire door both sides; Make the displacement transducer 2 of winning consistent with second displacement transducer, 3 level heights, wherein, the distance between first displacement transducer 2 and second displacement transducer 3 is L
0, pressure detection switch 4 be arranged on push away on the equipment; Through charging roller table 6 with blank 5 be transported to the charging fire door before and make blank 5 center line with the charging fire door center line point-blank; Adjust the measuring head of first displacement transducer 2 and second displacement transducer 3, make measuring head corresponding with first end face of blank 5 and first tested point on second end face and second tested point respectively; Connect controller 1 and first displacement transducer 2, second displacement transducer 3 and pressure detection switch 4, when controller 1 receives when pushing away positive pressure signal, the length of controller 1 calculating blank 5 also shows.The present invention adopts displacement transducer and combines the derivation of mathematical formulae to carry out measurement of length; Be to accomplish measurement of length automatically fully; Manual measurement and existing measuring method limitation have been overcome; And overcome existing measuring method defective, like the skidding of steel plate, cold metal detector to error signal of the red steel of high temperature etc., thereby make data efficiently, accurately obtain further assurance.Because the measuring motion among employing the present invention is contactless, the real-time fully length of surveying automatically, need not manual intervention, thereby has reduced working strength of workers greatly, has improved rhythm of production, and has reduced potential safety hazard; Simple in structure, the rectangular method of the existing survey of equipment cost is more cheap; Eliminated in the rectangular method of existing survey because of blank 5 mistake that causes of skidding and surveyed the economic loss that causes; Eliminated the limitation of the rectangular method of existing survey, the present invention is the same for cold blank 5 with hot blank 5 length measurement precisions; It is fast to survey long speed reflection, and very accurate, has improved rhythm of production greatly, and has improved the rationality of rolling procedure, has reduced the generation of substandard products.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part is partly explained referring to method and is got final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. the online measuring motion of hot rolled strip blank is characterized in that, comprising:
According to spacing L
0Horizontal arrangement is at first displacement transducer and second displacement transducer of charging fire door both sides, wherein, and the distance L on first end face of said first displacement sensor and blank between first tested point
4, the distance of second tested point is L on second end face of said second displacement sensor and said blank
5
Detect said blank and push away the pressure detection switch that the triggering of positive back pushes away positive pressure signal; With
Store the position relation of said first displacement transducer and second displacement transducer and said blank in advance
With
Controller, when said controller receives saidly when pushing away positive pressure signal, the length that calculates said blank according to above-mentioned position relation is L
2=L
0-L
4Cosa-L
5Cosb, and show, wherein, L
1Be the vertical range of first tested point and said first displacement transducer and the horizontal line of second displacement transducer, L
3It is the vertical range of second tested point and said first displacement transducer and the horizontal line of second displacement transducer.
2. the online measuring motion of hot rolled strip blank as claimed in claim 1 is characterized in that said first displacement transducer and second displacement transducer are optical displacement sensor.
3. the online measuring motion of hot rolled strip blank as claimed in claim 1 is characterized in that said controller comprises industrial computer, and said industrial computer is used to show the length L of said blank
2Value.
4. the online measuring motion of hot rolled strip blank as claimed in claim 3 is characterized in that said controller comprises switch, and said switch realization is mutual with said industrial computer.
5. the method for application of the online measuring motion of hot rolled strip blank is characterized in that, comprises step:
First displacement transducer and second displacement transducer are installed in charging fire door both sides, make said first displacement transducer consistent with the second displacement transducer level height, wherein, the distance between said first displacement transducer and second displacement transducer is L
0, pressure detection switch be arranged on push away on the equipment;
Through charging roller table be transported to said blank before the said charging fire door and make said blank center line and said charging fire door center line point-blank; Adjust the measuring head of said first displacement transducer and second displacement transducer, make said measuring head corresponding with first end face of said blank and first tested point on second end face and second tested point respectively;
Connect controller and first displacement transducer, second displacement transducer and pressure detection switch, when said controller receives saidly when pushing away positive pressure signal, said controller calculates the length of said blank and shows.
6. the method for application of the online measuring motion of hot rolled strip blank as claimed in claim 5 is characterized in that said first displacement transducer and second displacement transducer are optical displacement sensor.
7. the method for application of the online measuring motion of hot rolled strip blank as claimed in claim 5 is characterized in that said controller comprises industrial computer, and said industrial computer is used to show the length L of said blank
2Value.
8. the method for application of the online measuring motion of hot rolled strip blank as claimed in claim 7 is characterized in that said controller comprises switch, and said switch realization is mutual with said industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100764938A CN102620663A (en) | 2012-03-21 | 2012-03-21 | Online hot-rolled strip blank length measuring device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100764938A CN102620663A (en) | 2012-03-21 | 2012-03-21 | Online hot-rolled strip blank length measuring device and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102620663A true CN102620663A (en) | 2012-08-01 |
Family
ID=46560737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100764938A Pending CN102620663A (en) | 2012-03-21 | 2012-03-21 | Online hot-rolled strip blank length measuring device and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102620663A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234458A (en) * | 2013-04-24 | 2013-08-07 | 首钢京唐钢铁联合有限责任公司 | Slab length measurement device and measurement method thereof |
| CN104668311A (en) * | 2014-11-04 | 2015-06-03 | 南京钢铁股份有限公司 | Method for online measurement of length of steel plate by hot straightening machine |
| CN111795632A (en) * | 2020-07-02 | 2020-10-20 | 北京科技大学设计研究院有限公司 | On-line automatic measurement method for length of stokehole plate blank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016710Y (en) * | 2007-02-28 | 2008-02-06 | 天津市核人仪器设备有限公司 | Luminous source box of hot-rolled strip steel on-line width gauge system for linear array CCD camera shooting |
| CN101422787A (en) * | 2008-12-10 | 2009-05-06 | 北京科技大学 | Strip-steel flatness measuring method based on single-step phase-shift method |
| WO2011048860A1 (en) * | 2009-10-19 | 2011-04-28 | 住友金属工業株式会社 | Method of measuring flatness of plate and method of manufacturing steel plate using same |
| CN202547604U (en) * | 2012-03-21 | 2012-11-21 | 莱芜钢铁集团有限公司 | Device for measuring length of hot-rolled plate band blank on line |
-
2012
- 2012-03-21 CN CN2012100764938A patent/CN102620663A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016710Y (en) * | 2007-02-28 | 2008-02-06 | 天津市核人仪器设备有限公司 | Luminous source box of hot-rolled strip steel on-line width gauge system for linear array CCD camera shooting |
| CN101422787A (en) * | 2008-12-10 | 2009-05-06 | 北京科技大学 | Strip-steel flatness measuring method based on single-step phase-shift method |
| WO2011048860A1 (en) * | 2009-10-19 | 2011-04-28 | 住友金属工業株式会社 | Method of measuring flatness of plate and method of manufacturing steel plate using same |
| CN202547604U (en) * | 2012-03-21 | 2012-11-21 | 莱芜钢铁集团有限公司 | Device for measuring length of hot-rolled plate band blank on line |
Non-Patent Citations (1)
| Title |
|---|
| 叶成龙等: "板坯的非接触式测长测宽", 《冶金自动化》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234458A (en) * | 2013-04-24 | 2013-08-07 | 首钢京唐钢铁联合有限责任公司 | Slab length measurement device and measurement method thereof |
| CN104668311A (en) * | 2014-11-04 | 2015-06-03 | 南京钢铁股份有限公司 | Method for online measurement of length of steel plate by hot straightening machine |
| CN111795632A (en) * | 2020-07-02 | 2020-10-20 | 北京科技大学设计研究院有限公司 | On-line automatic measurement method for length of stokehole plate blank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107537868B (en) | A kind of cold rolling mill window space position dimension precision online test method | |
| CN103353282B (en) | The online vision measurement device of hot-strip end shape | |
| CN103759695A (en) | Detecting device and method for automatically measuring outline of steel rail | |
| CN112172862A (en) | Multifunctional track detection system | |
| CN203083534U (en) | Automatically measuring device based on laser ranging for measuring tail gap of shield machine | |
| CN103411530A (en) | Large free forging size online measurement device and method | |
| CN202153131U (en) | Apparatus for automatic measurement of steel plate flatness | |
| CN102620663A (en) | Online hot-rolled strip blank length measuring device and using method thereof | |
| CN104215179A (en) | Method for dynamically measuring width of steel billet by using laser displacement sensors | |
| CN102445166A (en) | Driving track detection method | |
| CN202547604U (en) | Device for measuring length of hot-rolled plate band blank on line | |
| CN104359415A (en) | Measuring method and system of angular deformation for line heating and cooling | |
| CN105107849B (en) | A kind of hot continuous rolling workpiece thickness computational methods | |
| CN204320811U (en) | Section bar finished product length on-line measurement device | |
| CN103234458A (en) | Slab length measurement device and measurement method thereof | |
| CN105043362B (en) | Mobile on-site safety monitoring system | |
| CN101979168A (en) | High-precision online measuring instrument and measuring method for strip shape of plate and strip | |
| CN104174703A (en) | Device for online detection of medium plate flatness | |
| CN114312905A (en) | Switch point rail form image real-time supervision device | |
| CN202255298U (en) | Steel billet length measuring and positioning system | |
| CN204097819U (en) | A kind of steel rail welding line unfitness of butt joint detector | |
| Yan et al. | Online deviation measurement system of the strip in the finishing process based on machine vision | |
| CN202427863U (en) | Security protecting device for work roller of cold straightening machine | |
| CN203470486U (en) | Hot-rolled plate blank length measurement device | |
| CN103848344A (en) | Precise crane positioning method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120801 |